/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package gameServlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import submarinesControl.SubmarinesControl;

/**
 *
 * @author madim
 */
@WebServlet(name = "NewGameServlet", urlPatterns = {"/newGame"})
public class NewGameServlet extends HttpServlet {
   // Name of the game in session
    public static final String gameSessionName= "GameDetails";
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        HttpSession currSession = request.getSession(true);
        
       //start page
        if (getServletContext().getAttribute(gameSessionName) == null) {
            // Need to initiate this by the info recieved from the start page
            SubmarinesControl sc = new SubmarinesControl();
            getServletContext().setAttribute(gameSessionName, sc);
            
            // Go to create a new game
            response.sendRedirect("newGame.jsp");
        }
        
        else{               
            SubmarinesControl scCurrSubmarines = 
                    (SubmarinesControl)getServletContext().getAttribute(gameSessionName);
            
//            if(otherClients==0 &&scCurrSubmarines.getNumOfRegisteredPlayers() !=0)
//                currSession.removeAttribute(gameSessionName);
                    
            if (scCurrSubmarines.isIsGameCreated())
            {
                if (scCurrSubmarines.getNumOfRegisteredPlayers() + 
                    scCurrSubmarines.getNumberOfCompPlayers() == 
                    scCurrSubmarines.players.length)
                {
                    response.sendRedirect("gameStartedError.html");
                }
                else
                {
                    response.sendRedirect("newPlayer.jsp");
                }
            }
                // if submit is pressed without choosing the numbers
            else if(request.getParameter("numberOfPlayers") == null ||
                        request.getParameter("numberOfPlayers").isEmpty() || 
                        request.getParameter("numberOfCompPlayers") == null ||
                        request.getParameter("numberOfCompPlayers").isEmpty()) {
                    response.sendRedirect("newGame.jsp");
            }
            else {
                int numberOfPlayers =  Integer.parseInt(request.getParameter("numberOfPlayers"));
                int numberOfCompPlayers =  Integer.parseInt(request.getParameter("numberOfCompPlayers"));
                scCurrSubmarines.createNewGame(numberOfPlayers,numberOfCompPlayers,false);
                response.sendRedirect("newPlayer.jsp");
            }
//           }
    }
}

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
